/*
 * Copyright 2006-2009 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.osgi.service.exporter.support.internal.support;

import java.util.Map;

import org.springframework.osgi.service.exporter.OsgiServiceRegistrationListener;

/**
 * Basic class supporting the various types of listener invocations.
 * 
 * @author Costin Leau
 */
public class ListenerNotifier {

	private final OsgiServiceRegistrationListener[] listeners;

	public ListenerNotifier(OsgiServiceRegistrationListener[] listeners) {
		this.listeners = listeners;
	}

	public void callRegister(Object service, Map properties) {
		for (OsgiServiceRegistrationListener listener : listeners) {
			if (listener != null) {
				try {
					listener.registered(service, properties);
				} catch (Exception ex) {
					// no need to log exceptions, the wrapper already does this
				}
			}
		}
	}

	public void callUnregister(Object service, Map properties) {
		for (OsgiServiceRegistrationListener listener : listeners) {
			if (listener != null) {
				try {
					listener.unregistered(service, properties);
				} catch (Exception ex) {
					// no need to log exceptions, the wrapper already does this
				}
			}
		}
	}
}